CODE_ERROR

There is an error in the cadence code of this transaction.

[Error Code: 1101] error caused by: 1 error occurred: * transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed: --> 5da2cb7e58220ed682c4afee233761f8a21cf233a1eb7eef68b81a3bca003739:73:20 | 73 | let item <- self.listing.purchase( 74 | payment: <-self.paymentVault 75 | ) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: pre-condition failed: listing has already been purchased --> 4eb8a10cb9f87357.NFTStorefront:243:16